coprocessor
n.
auxiliary processor (Computers)
Coprocessor
A coprocessor is a
computer processor used to supplement the functions of the primary processor (the CPU). Operations performed by the coprocessor may be
floating point arithmetic,
graphics,
signal processing, string processing, or
encryption. By offloading processor-intensive tasks from the main processor, coprocessors can accelerate system performance. Coprocessors allow a line of computers to be customized, so that customers who do not need the extra performance need not pay for it.
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Coprocessor (der)
n.
coprocessor, auxiliary processor (Computers)
coprocessor
Any computer processor which assists the main processor (the "
CPU") by performing certain special functions, usually much faster than the main processor could perform them in software. The coprocessor often decodes instructions in parallel with the main processor and executes only those instructions intended for it.
The most common example is a
floating point coprocessor (or "
FPU"), others are graphics and networking.
(1995-01-05)
(c) Copyright 1993 by Denis Howe
coprocessor
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